Rail-bond.



having a tongue of reduced thickness, which tongues overlap, one of thetongues having a dovetal recess and the other tongue having a dovetail projection slidably engaged in the recess lwhereby said tongues may be ad- ]usted toward or away from eachother by sliding the plates longitudinally.

In testimony whereof I have signed my name to this specification 1n the presence of ADA E. HAGERTY, J. A. MILLER. 

